The process of transforming sediment into sedimentary rock is called
a. lithification.
b. striation.
c. metamorphism.
d. hardening.
a
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If a single lens forms a virtual image of an object, then
A) the lens must be a diverging lens. B) the lens must be a converging lens. C) the lens could be either a diverging or a converging lens. D) the image must be inverted. E) the object must be between the lens and its focal point.
An object's mass would be the same on Earth and on the Moon, but its ______________ would be different
Fill in the blank(s) with correct word
Uniform Circular Motion: A car moving at a steady 10 m/s on a level highway encounters a bump that has a circular cross-section with a radius of 30 m. The car maintains its speed over the bump. What is the normal force exerted by the seat of the car on a 60.0-kg passenger when the car is at the top of the bump?
A. 200 N B. 390 N C. 790 N D. 490 N E. 590 N
In the context of a big bang model, identify a true statement about the flatness problem
A) It is the peculiar circumstance that the early Universe's average density was much more than the critical density but it was still flat. B) It is the peculiar circumstance that the actual density of the Universe will always be equal to the critical density and will always remain flat. C) It is the peculiar circumstance that the early Universe must have contained exactly the right amount of matter to make space-time flat. D) It is the peculiar circumstance that the early Universe's average density was considerably less than the critical density but it was still flat.